3 years ago

Помогите стоянок пожалуйста

Mathematics

1 answer:

REY [17]3 years ago

7 0

Answer:

Help parking please

Step-by-step explanation:

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I will mark u as the brainiest if u get this correct thx x

mel-nik [20]

Answer:

189 cm^2

Step-by-step explanation:

12 cm (a) is unneeded information

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3 years ago

Describe how to compare the two ratios 5:8 to 7:9. Tell each step to set up the ratios, then explain what to do to be able to co

lutik1710 [3]

Answer:

5/8 is smaller.

Step-by-step explanation:

A ratio is just a different type of fraction, a 5:8 ratio means 5/8 which is 0.625. A 7:9 ratio equals 7/9 which is 0.777777

Then to compare them you see which is smaller or bigger.

0.77777 is bigger than 0.625 so we know that 0.77777777 which was the 7:9 ratio is the bigger one.

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2 years ago

Read 2 more answers

Lucy wants to be exempt from her semester exam. In order for that to happen, she has to average an 85 over 3 test grades. Her fi

anastassius [24]

Answer:

Grades to be scored in 3rd exam = 88

Step-by-step explanation:

Given that average of 3 numbers is 85.

First two numbers are 81 and 86.

To find:

3rd number so that average is 85

Solution:

Let the third number = $x$

Formula for average is:

$Average = \dfrac{Sum\ of\ numbers}{Total\ count\ of\ numbers}$

Here, sum of numbers = $81+86+x =167+x$

Total count of numbers = 3

$85 = \dfrac{167+x}{3}\\\Rightarrow x=255-167\\\Rightarrow \bold{x=88}$

Grades to be scored in 3rd exam = 88

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3 years ago

Which of the points shown below are on the line given by the equation y = 4x?

kykrilka [37]

The answer is (1,4) and (-1,-4)

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3 years ago

A counterexample is an example that shows_______.

lord [1]

Answer:

Step-by-step explanation:

sorrow if its wrong I need to find my glasses

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3 years ago